Vacuum cleaner accessory tool



FIG. 1 is a front right side perspective view of a vacuum cleaner accessory tool which embodies our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a top view thereof.

The details shown in dotted lines form no part of the claimed design. 

The ornamental design for a vacuum cleaner accessory tool, as shown and described. 